ETs…

I’m not a famous sci-fi author (some would argue I’m not even an author!), but I share at least one thing in common with the three most famous ones, Isaac Asimov, Arthur C. Clarke, and Robert Heinlein. (Many so-called sci-fi addicts haven’t read their stories, though. They’re from my generation or earlier, but no more recent ones are as good…including me!) What do we have in common? They were all scientists, and so was I. Asimov was a biochemist, Clarke was…well, let’s just call him an applied p...